2199591042 has 32 divisors (see below), whose sum is σ = 4916165184. Its totient is φ = 650284800.

The previous prime is 2199591007. The next prime is 2199591049. The reversal of 2199591042 is 2401959912.

It is a junction number, because it is equal to n+sod(n) for n = 2199590985 and 2199591003.

It is not an unprimeable number, because it can be changed into a prime (2199591049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403723 + ... + 409134.

It is an arithmetic number, because the mean of its divisors is an integer number (153630162).

Almost surely, 2^2199591042 is an apocalyptic number.

2199591042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2199591042 is an abundant number, since it is smaller than the sum of its proper divisors (2716574142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2199591042 is a wasteful number, since it uses less digits than its factorization.

2199591042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812914.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 2199591042 is about 46899.7978886903. The cubic root of 2199591042 is about 1300.5108528760.

The spelling of 2199591042 in words is "two billion, one hundred ninety-nine million, five hundred ninety-one thousand, forty-two".